Patent US4290074A successfully refreshed from Google Patents.
Patent US3537872A successfully refreshed from Google Patents.
US3537872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermographic process
Assignee: Konica Minolta Inc
•
Filing: 1968-04-26
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Granted: 1970-11-03
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Expires: 1988-04-26
Abstract
No abstract record available.
Inventors
- 👤 Yoshio Kojima
- 👤 Masaaki Yoshioka
- 👤 Isamu Fushiki
- 👤 Toshimi Kishida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:02
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/398; Y; Y10; Y10S; Y10S430/00; Y10S430/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2503758A
Cited
US2629671A
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US2880110A
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US2999035A
Cited
US3081699A
Cited
US3196029A
Cited
US3260612A
Cited
US3259061A
Cited
US3364858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |